Drill



UNITED STATES JHN L. BRYANT, OFAHILLSDALE, MICHIGAN.

DRILL.

SPECIFICATION forming part of Letters Patent No. 226,043, dated March30, 1880.

Application filed November 15, 1879.

To all whom t may concern Be it known that I,JOHN L. BRYANT, ofHillsdale, in the county of Hillsdale and State of Michigan, haveinvented an Improvement in Drills, of which the following is aspecication.

The nature of this invention relates to a certain new and novelconstruction of a drill and frame, whereby7 the same can readily beapplied to the article to be drilled.

The invention consists in the peculiar construction and combination ofthe various parts, all as more fully hereinafter set forth.

Referring to the drawings, Figure lis aperspective view. Fig. 2 is avertical central section.

In the accompanying drawings, which form a part of this specification, Arepresents a Asuitable frame, the two portions of which are pivotedtogether, as at a. Through the head A' of the frame is tapped a hollowscrew, B, upon the upper end of which is secured a handwheel, C.

D is a drillstock placed through the hollow screw B, being held inplaced by a screw or pin, Z1, passing through the hand-wheel C be foundadaptable to many points where the ordinary drill could not be used.

What I claim as my invention, and desire to secure by Letters Patent,is-

A drilling-machine wherein are combined the pivoted frame A, the hollowscrew B, and the drill-stock D, held in place by pin b, passing throughthe hollow screw B and thehandwheel, and the spring latch-bar F, allconstructed and arranged substantially as and for the purposes setforth.

JOHN L. BRYANT.

Witnesses:

H. S. SPRAGUE, CHARLES J. HUNT.

